名校
解题方法
1 . 已知三个复数
,
,
,且
,
,
,
所对应的向量
,
满足
;则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a67a742d2a43e907fb1c3a1bdf1d6a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db439eae71afd7b462a07c61d3861330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbb7982e6e8af1887c360ac901143840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a30deb1f343048675b9b231620369668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1640d3fff861f45c5eb4019943b000f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342546266d9cfe028e7f471b96e92212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17a57d4e598f772b9cbebd54d153289.png)
您最近一年使用:0次
昨日更新
|
233次组卷
|
3卷引用:四川省平昌中学2023-2024学年高一下学期第二次月考数学试题
解题方法
2 . 已知复数
,
(
),且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11df2383c01777befb858b66ba99fca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b9d791542d5f0800efce0fd0626f9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b586fb1043595a3dc45e21e3497dea13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f376987ceb973ac9d913c365a91c428.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
3 . 已知复数
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41813be61104fce7a33368d0a4429651.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3824fd90005ffdcedfb5ebcca1ff8fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41813be61104fce7a33368d0a4429651.png)
您最近一年使用:0次
解题方法
4 . 某校课外学习社对“学生性别和喜欢网络游戏是否有关”作了一次调查,其中被调查的男、女生人数相同,男生中有
的学生喜欢网络游戏,女生中有
的学生喜欢网络游戏,若有超过
的把握但没有
的把握认为是否喜欢网络游戏和性别有关,则被调查的学生中男生可能有_____________ 人.
附:
,其中
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90198de4171921876c6a76f880377f46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a363cc53497fdfac77b43f656424f973.png)
附:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f0027bac3e5bdeaccf6429e9835cb0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356b05e46b10ee51c3e43546d73ec96c.png)
0.05 | 0.01 | |
3.841 | 6.635 |
您最近一年使用:0次
真题
5 . 已知虚数
,其实部为1,且
,则实数
为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a2f912dba0e17b3b87244e131e4b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
6 . 已知i为虚数单位,若复数
满足
,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40351d6099f5f61ddefbac620493046b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab84fc5e5a4823e41a03da7740afcc7.png)
您最近一年使用:0次
名校
解题方法
7 . 已知复数
,且
,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa701dc94f56378824f7b5ec2afa491c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839ba7c0f1fc30151d18a2e337951dd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a733db5c6cac8ba24c86482c9d8facc4.png)
您最近一年使用:0次
8 . 平面内
条直线可以将平面分成若干块区域,记分成的区域数的最大值为
,则数列
的前
项和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099a64d86bd0b4602578d910322adc1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
9 . 复数
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fafca28e5b438552bebe9604edd4c1.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad34eb59bbd12c445d4233aee590d3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cae7491f2810f45aef8951bd2f081331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fafca28e5b438552bebe9604edd4c1.png)
您最近一年使用:0次
解题方法
10 . 为了调查学生对网络课程是否喜爱,研究人员随机调查了相同人数的男、女学生,发现男生中有80%喜欢网络课程,女生中有40%不喜欢网络课程,且有95%的把握认为喜欢网络课程与性别有关,但没有99%的把握认为喜欢网络课程与性别有关.已知被调查的男、女学生的总人数为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
__________ .
附:
.临界值表:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca95cdb3174f0c923e82c6670526531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
附:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a888b2811f8c8463af5932c8eb98784.png)
0.050 | 0.010 | 0.005 | 0.001 | |
3.841 | 6.635 | 7.879 | 10.828 |
您最近一年使用:0次